linux-kernel - Re: [PATCH] i2c: imx-lpi2c: Fix clock count when probe defers

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Message-ID:
 <VI2PR04MB11147A01165E7505FE44BD1BAE8802@VI2PR04MB11147.eurprd04.prod.outlook.com>
Date: Tue, 29 Apr 2025 08:25:47 +0000
From: Carlos Song <carlos.song@....com>
To: Andi Shyti <andi.shyti@...nel.org>
CC: Aisheng Dong <aisheng.dong@....com>, Frank Li <frank.li@....com>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de"
	<s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>,
	"festevam@...il.com" <festevam@...il.com>, "linux-i2c@...r.kernel.org"
	<linux-i2c@...r.kernel.org>, "imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c: imx-lpi2c: Fix clock count when probe defers



> -----Original Message-----
> From: Andi Shyti <andi.shyti@...nel.org>
> Sent: Tuesday, April 29, 2025 4:21 PM
> To: Carlos Song <carlos.song@....com>
> Cc: Aisheng Dong <aisheng.dong@....com>; Frank Li <frank.li@....com>;
> shawnguo@...nel.org; s.hauer@...gutronix.de; kernel@...gutronix.de;
> festevam@...il.com; linux-i2c@...r.kernel.org; imx@...ts.linux.dev;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> Subject: [EXT] Re: [PATCH] i2c: imx-lpi2c: Fix clock count when probe defers
> 
> Caution: This is an external email. Please take care when clicking links or
> opening attachments. When in doubt, report the message using the 'Report this
> email' button
> 
> 
> Hi Carlos,
> 
> On Mon, Apr 21, 2025 at 02:23:41PM +0800, carlos.song@....com wrote:
> > From: Clark Wang <xiaoning.wang@....com>
> >
> > Deferred probe with pm_runtime_put() may delay clock disable, causing
> > incorrect clock usage count. Use pm_runtime_put_sync() to ensure the
> > clock is disabled immediately.
> >
> > Signed-off-by: Carlos Song <carlos.song@....com>
> > Signed-off-by: Clark Wang <xiaoning.wang@....com>
> > Signed-off-by: Jun Li <jun.li@....com>
> > Signed-off-by: Haibo Chen <haibo.chen@....com>
> 
> merged to i2c/i2c-host-fixes with all the changes I suggested.
> 

That's good! Thank you very much!

> Thanks,
> Andi